自 2025 年 3 月 27 日起,我們建議您使用 android-latest-release
而非 aosp-main
建構及貢獻 AOSP。詳情請參閱「Android 開放原始碼計畫變更」。
2021 年 Android 安全性公告
透過集合功能整理內容
你可以依據偏好儲存及分類內容。
本頁列出 2021 年我們發布過的所有 Android 安全性公告,如需完整的公告清單,請參閱 Android 安全性公告首頁。
這個頁面中的內容和程式碼範例均受《內容授權》中的授權所規範。Java 與 OpenJDK 是 Oracle 和/或其關係企業的商標或註冊商標。
上次更新時間:2025-09-04 (世界標準時間)。
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["缺少我需要的資訊","missingTheInformationINeed","thumb-down"],["過於複雜/步驟過多","tooComplicatedTooManySteps","thumb-down"],["過時","outOfDate","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["示例/程式碼問題","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間:2025-09-04 (世界標準時間)。"],[],[],null,["# 2021 Android Security Bulletins\n\nThis page contains all available 2021 Android Security Bulletins. For a list\nof all bulletins, see the [Android Security Bulletins](/docs/security/bulletin) homepage.\n\n| Bulletin | Languages | Published date | Security patch level |\n|------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|-------------------|-----------------------|\n| [December 2021](/docs/security/bulletin/2021-12-01) | Coming soon | December 6, 2021 | 2021-12-01 2021-12-05 |\n| [November 2021](/docs/security/bulletin/2021-11-01) | [English](/docs/security/bulletin/2021-11-01) / [日本語](/docs/security/bulletin/2021-11-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-11-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-11-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-11-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-11-01.html?hl=zh-tw) | November 1, 2021 | 2021-11-01 2021-11-05 |\n| [October 2021](/docs/security/bulletin/2021-10-01) | [English](/docs/security/bulletin/2021-10-01) / [日本語](/docs/security/bulletin/2021-10-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-10-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-10-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-10-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-10-01.html?hl=zh-tw) | October 4, 2021 | 2021-10-01 2021-10-05 |\n| [September 2021](/docs/security/bulletin/2021-09-01) | [English](/docs/security/bulletin/2021-09-01) / [日本語](/docs/security/bulletin/2021-09-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-09-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-09-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-09-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-09-01.html?hl=zh-tw) | September 7, 2021 | 2021-09-01 2021-09-05 |\n| [August 2021](/docs/security/bulletin/2021-08-01) | [English](/docs/security/bulletin/2021-08-01) / [日本語](/docs/security/bulletin/2021-08-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-08-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-08-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-08-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-08-01.html?hl=zh-tw) | August 2, 2021 | 2021-08-01 2021-08-05 |\n| [July 2021](/docs/security/bulletin/2021-07-01) | [English](/docs/security/bulletin/2021-07-01) / [日本語](/docs/security/bulletin/2021-07-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-07-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-07-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-07-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-07-01.html?hl=zh-tw) | June 7, 2021 | 2021-07-01 2021-07-05 |\n| [June 2021](/docs/security/bulletin/2021-06-01) | [English](/docs/security/bulletin/2021-06-01) / [日本語](/docs/security/bulletin/2021-06-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-06-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-06-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-06-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-06-01.html?hl=zh-tw) | June 7, 2021 | 2021-06-01 2021-06-05 |\n| [May 2021](/docs/security/bulletin/2021-05-01) | [English](/docs/security/bulletin/2021-05-01) / [日本語](/docs/security/bulletin/2021-05-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-05-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-05-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-05-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-05-01.html?hl=zh-tw) | May 3, 2021 | 2021-05-01 2021-05-05 |\n| [April 2021](/docs/security/bulletin/2021-04-01) | [English](/docs/security/bulletin/2021-04-01) / [日本語](/docs/security/bulletin/2021-04-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-04-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-04-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-04-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-04-01.html?hl=zh-tw) | April 5, 2021 | 2021-04-01 2021-04-05 |\n| [March 2021](/docs/security/bulletin/2021-03-01) | [English](/docs/security/bulletin/2021-03-01) / [日本語](/docs/security/bulletin/2021-03-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-03-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-03-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-03-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-03-01.html?hl=zh-tw) | March 1, 2021 | 2021-03-01 2021-03-05 |\n| [February 2021](/docs/security/bulletin/2021-02-01) | [English](/docs/security/bulletin/2021-02-01) / [日本語](/docs/security/bulletin/2021-02-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-02-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-02-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-02-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-02-01.html?hl=zh-tw) | February 1, 2021 | 2021-02-01 2021-02-05 |\n| [January 2021](/docs/security/bulletin/2021-01-01) | [English](/docs/security/bulletin/2021-01-01) / [日本語](/docs/security/bulletin/2021-01-01.html?hl=ja) / [한국어](/docs/security/bulletin/2021-01-01.html?hl=ko) / [ру́сский](/docs/security/bulletin/2021-01-01.html?hl=ru) / [简体中文](/docs/security/bulletin/2021-01-01.html?hl=zh-cn) / [繁體中文 (台灣)](/docs/security/bulletin/2021-01-01.html?hl=zh-tw) | January 4, 2021 | 2021-01-01 2021-01-05 |"]]